A device for measuring the inner ball size of a differential case
A technology for measuring devices and differentials, which is applied in the direction of measuring devices, differential transmissions, transmissions, etc., can solve the problems of inapplicability to mass production on-site inspections, poor reliability, and low detection efficiency, so as to save manpower , Improve measurement efficiency and reduce detection cost
Active Publication Date: 2022-02-01
WUXI VGAGE MEASURING EQUIP CO LTD
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Problems solved by technology
In the prior art, the size and position of the spherical surface in the differential housing are generally detected by special inspection tools, but the existing special inspection tools are not reliable, and the detection efficiency is low in actual operation, so they are not suitable for mass production Process and on-site inspection
However, the test method for the size and position of the spherical surface in the differential case in the laboratory is three-coordinate detection, which also has the problem of low detection efficiency.
Method used
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[0042] The specific implementation manner of the present invention will be described below in conjunction with the accompanying drawings.
[0043] Such as figure 1 In the illustrated embodiment, it mainly includes a main support 600, the upper part of the front end of the main support 600 is fixed to the upper measurement assembly 200, the lower part of the front end of the main support 600 is fixed to the lower measurement assembly 300, and the upper measurement assembly 200 and the lower measurement assembly 300 form a measurement Location.
[0044] Such asfigure 1 In the shown embodiment, the first hole measurement assembly 400 and the second hole measurement assembly 500 are respectively fixed on the left and right sides of the front end of the main support 600, and the first hole measurement assembly 400 and the second hole measurement assembly 500 are located on the left and right sides of the measurement position. side.
[0045] Such as figure 1 In the shown embodime...
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The invention relates to the technical field of differential gear size measurement, in particular to a device for measuring the size of an inner ball of a differential gear case. It includes a main support, the upper part of the front end of the main support is fixed to the upper measurement component, the lower part of the front end of the main support is fixed to the lower measurement component, the measurement position is formed between the upper measurement component and the lower measurement component, the upper measurement component and the lower measurement The components can respectively extend into the upper and lower cylindrical sections of the differential housing from the upper and lower positions and measure the cylindricity of the upper and lower cylindrical sections of the differential housing; the rear end surface of the main bracket fixes the inner ball probe assembly, and the inner ball probe assembly The size of the inner spherical surface of the differential housing at the measurement position can be measured; two feeding assemblies are arranged symmetrically on both sides of the measuring position, and the feeding assembly can transport the differential housing to the measuring station. The invention can realize the on-line measurement of the size of the spherical surface in the differential housing, reduces the dependence on the three-coordinate measurement, reduces the detection cost, and improves the detection efficiency.
Description
technical field [0001] The invention relates to the technical field of differential gear size measurement, in particular to a device for measuring the size of an inner ball of a differential gear case. Background technique [0002] The differential is an important part of a car that enables the drive wheels to turn at different speeds. In four-wheel drive, in order to drive the four wheels, all the wheels must be connected, if the four wheels are mechanically connected together, the car cannot rotate at the same speed when driving in a curve, in order for the car to drive in a curve The rotation speed is basically the same, at this time, it is necessary to add an intermediate differential to adjust the speed difference between the front and rear wheels. [0003] The size and position of the spherical surface in the differential case are important parameters. In the prior art, the size and position of the spherical surface in the differential housing are generally detected ...
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IPC IPC(8): G01B21/00G01B21/14F16H48/40
CPCG01B21/00G01B21/14F16H48/40
Inventor 郑双飞
Owner WUXI VGAGE MEASURING EQUIP CO LTD